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(UA) United Airlines 4535 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(SCE) State College Regional Airport

State College, PA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
86%
Late
0
0%
Very Late
1
14%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
7
Total Delays ( > 1 min )
3
Codeshares
7
Average Delay (min.)
18
Standard Deviation
22.5
Min
0
Max
44

UA 4535 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 86%
Average Delay Time 18 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 18 min
This flight has an average delay of 18 minutes with a standard deviation of 22.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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